Rinse 5 potatoes, cut potatoes into even chunks.
Cut a large peice of foil. Place all the cut potatoes onto the foil. Add all above described ingredients also 3 large tablespoons of butter.
Fold the foil into a pouch, sealing both ends and the top.
Place on the grill, high flame for 30 mins or so.. med flame. Cook until potatoes are tender. You want the steam inside the foil to cook the potatoes.